Samsung ICR18650-32A Specifications

18650 · NMCfull datasheet specs for the Samsung ICR18650-32A, plus what it delivers in common DIY pack configurations. Plan a build with it in the Battery Pack Calculator.

3200 mAh
Capacity
3.75 V
Nominal voltage
12 Wh
Energy per cell
100
Internal resistance

At 3200 mAh it ranks #7 of 165 18650 cells in our database by capacity — one of the higher-capacity 18650 options.

Full specifications

Capacity3200 mAh
Nominal voltage3.75 V
Max charge voltage4.35 V
Discharge cutoff2.8 V
Energy12 Wh
Internal resistance100 mΩ
Standard charge current1600 mA
Standard discharge current640mA
ChemistryNMC
Form factor18650
Wrap colorPurple (Light)
Insulator ringWhite

At the standard 1600 mA charge rate, a full charge takes roughly 2 hours plus the constant-voltage taper at the end.

The ICR18650-32A in a battery pack

Common DIY series configurations using this cell's real 3.75V nominal voltage, with a 3-cells-in-parallel (3P) example for capacity:

ConfigNominal voltageFully chargedCells (3P)Capacity (3P)Energy (3P)
3S11.3 V13 V99.6 Ah108 Whcell count guide
7S26.3 V30.4 V219.6 Ah252 Whcell count guide
10S37.5 V43.5 V309.6 Ah360 Whcell count guide
13S48.8 V56.6 V399.6 Ah468 Whcell count guide
14S52.5 V60.9 V429.6 Ah504 Whcell count guide

Size a full pack around the ICR18650-32A — voltage, capacity, runtime, and BMS:

Open the Battery Pack Calculator →or balance tested cells in the Pack Builder

Get new tools and build tips

We are always adding tools, cell data, and guides. Drop your email for new tool releases and battery-building tips. No spam, unsubscribe anytime.

Specs come from manufacturer datasheets and independent testing; Mooch-tested discharge ratings are shown when available because they reflect real continuous performance better than headline datasheet numbers. Browse the full 18650 & 21700 cell database to compare every cell.